Method writeVarInt64

javascript/packages/core/lib/writer/index.ts:441–454

(v: bigint | number)

  }

  writeVarInt64(v: bigint | number) {
    if (typeof v !== "bigint") {
      if (Number.isSafeInteger(v)) {
        this.writeVarUInt64Number(v >= 0 ? v * 2 : -v * 2 - 1);
        return;
      }
      v = BigInt(v);
    } else if (v >= MIN_SAFE_BIGINT && v <= MAX_SAFE_BIGINT) {
      const value = Number(v);
      this.writeVarUInt64Number(value >= 0 ? value * 2 : -value * 2 - 1);
      return;
    }
    this.writeVarUInt64((v << 1n) ^ (v >> 63n));
  }

  writeVarUInt64(val: bigint | number) {
    if (typeof val !== "bigint") {